feat: support client/server mode (#295)

* chore(app): change dir

* feat(rpc): add a proto file and auto-generated files

* chore(dep): add dependencies

* fix(app): fix import path

* fix(integration): fix import path

* fix(protoc): use enum for severity

* chore(Makefile): add fmt andd protoc

* chore(clang): add .clang-format

* refactor: split functions for client/server (#296)

* refactor(db): split db.Download

* refactor(standalone): create a different package

* refactor(vulnerability): split FillAndFilter

* fix(protoc): use enum for severity

* chore(Makefile): add fmt andd protoc

* chore(clang): add .clang-format

* fix(db): remove an unused variable

* fix(db): expose the github client as an argument of constructor

* refactor(vulnerability): add the detail message

* feat(rpc): add rpc client (#302)

* fix(protoc): use enum for severity

* chore(Makefile): add fmt andd protoc

* chore(clang): add .clang-format

* feat(rpc): convert types

* feat(rpc): add rpc client

* token: Refactor to handle bad headers being set

Signed-off-by: Simarpreet Singh <simar@linux.com>

* feat(rpc): add rpc server (#303)

* feat(rpc): add rpc server

* feat(utils): add CopyFile

* feat(server/config): add config struct

* feat(detector): add detector

* feat(scanner): delegate procedures to detector

* fix(scanner): fix the interface

* test(mock): add mocks

* test(rpc/server): add tests

* test(rpc/ospkg/server): add tests

* tets(os/detector): add tests

* refactor(library): move directories

* chore(dependency): add google/wire

* refactor(library): introduce google/wire

* refactor(ospkg/detector): move directory

* feat(rpc): add eosl

* refactor(ospkg): introduce google/wire

* refactor(wire): bind an interface

* refactor(client): use wire.Struct

* chore(Makefile): fix wire

* test(server): add AssertExpectations

* test(server): add AssertExpectations

* refactor(server): remove debug log

* refactor(error): add more context messages

* test(server): fix error message

* refactor(test): create a constructor of mock

* refactor(config): remove an unused variable

* test(config): add an assertion to test the config struct

* feat(client/server): add sub commands (#304)

* feat(rpc): add rpc server

* feat(utils): add CopyFile

* feat(server/config): add config struct

* feat(detector): add detector

* feat(scanner): delegate procedures to detector

* fix(scanner): fix the interface

* feat(client/server): add sub commands

* merge(server3)

* test(scan): remove an unused mock

* refactor(client): generate the constructor by wire

* fix(cli): change the default port

* fix(server): use auto-generated constructor

* feat(ospkg): return eosl

* test(integration): add integration tests for client/server (#306)

* fix(server): remove unnecessary options

* test(integration): add integration tests for client/server

* fix(server): wrap an error

* fix(server): change the update interval

* fix(server): display the error detail

* test(config): add an assertion to test the config struct

* fix(client): returns an error when failing to initizlie a logger

* test(ospkg/server): add eosl

* Squashed commit of the following:

* test(server): refactor and add tests (#307)

* test(github): create a mock

* test(db): create a mock

* test(server): add tests for DB hot update

* chore(db): add a log message

* refactor(db): introduce google/wire

* refactor(rpc): move directory

* refactor(injector): fix import name

* refactor(import): remove new lines

* fix(server): display the error detail

* fix(server): change the update interval

* fix(server): wrap an error

* test(integration): add integration tests for client/server

* fix(server): remove unnecessary options

* refactor(server): return an error when failing to initialize a logger

* refactor(server): remove unused error

* fix(client/server): fix default port

* chore(README): add client/server

* chore(README): update

pkg/utils/utils.go

@@ -2,6 +2,7 @@ package utils
 
 import (
 	"bytes"
+	"fmt"
 	"io"
 	"os"
 	"os/exec"
@@ -126,3 +127,28 @@ func FilterTargets(prefixPath string, targets map[string]struct{}) (map[string]s
 	}
 	return filtered, nil
 }
+
+func CopyFile(src, dst string) (int64, error) {
+	sourceFileStat, err := os.Stat(src)
+	if err != nil {
+		return 0, err
+	}
+
+	if !sourceFileStat.Mode().IsRegular() {
+		return 0, fmt.Errorf("%s is not a regular file", src)
+	}
+
+	source, err := os.Open(src)
+	if err != nil {
+		return 0, err
+	}
+	defer source.Close()
+
+	destination, err := os.Create(dst)
+	if err != nil {
+		return 0, err
+	}
+	defer destination.Close()
+	n, err := io.Copy(destination, source)
+	return n, err
+}